Answer:
17
Step-by-step explanation:
2*-3*+9
2*16-3*8+9
32-24+9
17
2x^4 = 162
x^4= 81
x= 4√81
x=36
Answer:72 minutes
Step-by-step explanation:
24+48=72
Answer: Kim is 16 and Alan is 20
Kim => x
Alan => y
Kim is 4/5 as old as Alan =>
In four years, she will be 5/6 as old as he will be =>
Solving the system we obtain x=16 and y=20